When a task has been performed to a deplorable standard.
When something has been damaged completely.
Synonymous with: ruined, messed up, slaughtered, botched, bungled
I'm never using those those manufacturers again -- They completely butchered the design.
(They changed my design to an unrecoverable extent)
My answer *should* be right.. ..unless of-course I've butchered the working somewhere...
(My answer should be correct unless I've made a mistake in my working to the problem)
Avondale College butchered those chaps from MAGS.
(The team from Avondale college soundly beat the team from Mount Albert Grammar School)
To pussy out or epically fail, specifically in terms of drinking alcohol.
'ugh, steve totally butchered it last night. no chance of me finishing.'
'completely butchered that pint, couldnt even down it.'